When Achilles Elbert Waldrop was born on 16 August 1878, in Lafayette, Arkansas, United States, his father, Franklin Pierce Waldrop, was 24 and his mother, Elizabeth Irene "Betty" Spurlin, was 19. He married Ruth Margaret Badger on 28 June 1909, in Marble Falls, Burnet, Texas, United States. They were the parents of at least 1 son and 1 daughter. He lived in Chickasha Township, Grady, Oklahoma, United States in 1920 and San Antonio, Bexar, Texas, United States for about 10 years. He died on 26 March 1961, at the age of 82, and was buried in Akers Cemetery, Sherman, Grayson, Texas, United States.